Displaying 2 results from an estimated 2 matches for "qausi".
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qaus
2006 Sep 11
3
Extracting overdispersion estimates from lmer amd glm objects
Dear list,
I am needing to extract the estimate of overdispersion (deviance / residual degrees of freedom or c-hat) from multiple model objects - so they can then be used to compare the extent of overdispersion among alternative models as well as calculate qausi-AIC values. I have been unable to do this, despite consulting a number of manuals and searching the R-help. I am imaging that in theory it should be possible with some call to attr(), but i have so far had no success.
An example model output would be:
> modeltest<-lmer(Coleodactylus_am...
2006 Jun 09
1
random generation for a quasi distribution
Un texte encapsul? et encod? dans un jeu de caract?res inconnu a ?t? nettoy?...
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Url : https://stat.ethz.ch/pipermail/r-help/attachments/20060609/ab46b028/attachment.pl